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KonstantinChe [14]
3 years ago
9

A box of Cookies original cost $2. 15. It is on sale for 15% off. What is the cost of the cookies after discount ?

Mathematics
1 answer:
harina [27]3 years ago
4 0

Answer:

$1.83

Step-by-step explanation:

$2.15 (original price of cookies) - 15% (discount) = $1.83 (rounded since the original total was: 1.8275)

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What is the result of subtracting the second equation from the first?
Ronch [10]

Answer:

-5x + 0y = -11

The y terms are eliminated

Step-by-step explanation:

- 4x – 2y = -2

X - 2y = 9

We want to subtract the second equation from the first

Distribute a minus sign to all the terms in the second equation

- 4x – 2y = -2  

X - 2y = 9

= (-5x + 0y = -11)

6 0
3 years ago
Solve for y in x+0.25y=1.5
IRISSAK [1]

Answer:

Y=-4x+6

Step-by-step explanation:

Step 1: Add -x to both sides.

X+0.25y+-x=1.5+-x

0.25y=-x+1.5

Step 2: Divide both sides by 0.25.

0.25y/0.25=-x+1.5/0.25

Y=-4x+6

Hope I helped

5 0
3 years ago
An element with mass 780 grams decays by 17.1% per minute. How much of the element is remaining after 19 minutes, to the nearest
VikaD [51]

Answer:

  22.1 grams

Step-by-step explanation:

At the end of each minute, (1 -17.1%) = 82.9% of the element remains. At the end of 19 minutes, the quantity has been multiplied by that value 19 times, so the remaining amount is ...

   (780 g)(0.829^19) ≈ 22.1 g

After 19 minutes 22.1 grams remain.

3 0
2 years ago
Factor by grouping <br><br> can someone please help me
Novosadov [1.4K]

Answer:

Re group then do your fraction

Step-by-step explanation:

7 0
3 years ago
How many solutions does the equation<br> 10-3x+10x-7=5x-5+2x+8 have?
Ierofanga [76]
It is all real numbers if that helps
8 0
3 years ago
Read 2 more answers
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